Alert archive / Oklahoma / Flash Flood Warnings in 1990
Flash Flood Warning 27, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at May 2, 1990, 11:20 AM CDT for Jefferson County, Love County, Stephens County, Oklahoma. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 1990, 11:20 AM CDT (16:20 UTC)
- Expired
- May 2, 1990, 5:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Jefferson County, OK, Love County, OK, Stephens County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 4.3 hours before the alert went out and 118 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 2, 6:00 AM CDT, 5 hours 20 minutes before
TXZ020-019-021200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 557 AM CDT WED MAY 2 1990 AT 445 AM WICHITA FALLS RADAR CONTINUED TO SHOW THUNDERSTORMS WITH VERY HEAVY RAIN SCATTERED ACROSS THIS PORTION OF NORTH CENTRAL TEXAS. HEAVIEST RAINS WERE OCCURRING FROM SEYMOUR SOUTHEAST TO NEAR NEWCASTLE EAST TO JACKSBORO AND NORTHEAST TO BOWIE. OTHER STRONG THUNDERSTORMS PRODUCING HEAVY RAINS WERE OCCURRING FROM POSSUM KINGDOM LAKE SOUTHWEST TO BRECKENRIDGE TO NEAR ALBANY. STILL YET ANOTHER STRONG THUNDERSTORM WAS NEAR VERNON. ALL PRECIPITATION MOVING NORTHEAST AT 30 MPH. BRIEF PERIODS OF HEAVY RAIN...FREQENT LIGHTNING AND GUSTY WINDS CAN BE EXPECTED TODAY. SOME THU=NDERSTORMS COULD BE SEVERE LATER TODAY AS WEATHER ELEMENTS COME TOGETHER. STAY TUNED TO NOAA WEATHER RADIO OR NEWS MEDIA BROADCAST FOR LATER STATEMENTS ON THIS WEATHER SITUATION.
Special weather statement, May 2, 6:42 AM CDT, 4 hours 38 minutes before
TXZ019-020-021245-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
645 AM CDT WED MAY 2 1990
...VERY HEAVY RAINS MOVING INTO WICHITA FALLS...
AT 635 PM THE WICHITA FALLS RADAR SHOWED A LAGE AREA OF SHOWERS AND
THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAINS BLANKETING MUCH OF
THIS PORTION OF NORTH TEXAS AND ADJACENT SOUTHERN OKLAHOMA.
THE STRONGEST THUNDERSTORMS WERE LOCATED ACROSS SOUTHERN WICHITA
AND NORTHERN ARCHER COUNTIES. THESE STORMS ARE PRODUCING TORRENTIAL
RAINS AND FREQUENT LIGHTNING AND COULD ALSO PRODUCE MINOR FLOODING
OF ROADWAYS AND LOW-LYING AREAS. EARLY MORNING COMMUTERS SHOULD
BE AWARE OF THIS SITUATION AND NOT DRIVE ACROSS WATER COVERED ROADS
OF UNKNOWN DEPTHS.
ELSEWHERE VERY HEAVY RAINS WERE SCATTERED OVER PORTIONS OF CLAY AND
SOUTHERN MONTAGUE COUNTIES. THESE HEAVY THUNDERSTORMS COULD CAUSE
FLOODING OF LOW-LYING AREAS.
STAYED TUNED TO NOAA WEATHER RADIO OR COMMERICAL WEATHER BRnOADCASTS
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.Special weather statement, May 2, 6:47 AM CDT, 4 hours 33 minutes before
TXZ019-020-021245-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
645 AM CDT WED MAY 2 1990
...VERY HEAVY RAINS MOVING INTO WICHITA FALLS...
AT 635 PM THE WICHITA FALLS RADAR SHOWED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAINS BLANKETING MUCH OF
THIS PORTION OF NORTH TEXAS AND ADJACENT SOUTHERN OKLAHOMA.
THE STRONGEST THUNDERSTORMS WERE LOCATED ACROSS SOUTHERN WICHITA
AND NORTHERN ARCHER COUNTIES. THESE STORMS ARE PRODUCING TORRENTIAL
RAINS AND FREQUENT LIGHTNING AND COULD ALSO PRODUCE MINOR FLOODING
OF ROADWAYS AND LOW-LYING AREAS. EARLY MORNING COMMUTERS SHOULD
BE AWARE OF THIS SITUATION AND NOT DRIVE ACROSS WATER COVERED ROADS
OF UNKNOWN DEPTHS.
ELSEWHERE VERY HEAVY RAINS WERE SCATTERED OVER PORTIONS OF CLAY AND
SOUTHERN MONTAGUE COUNTIES. THESE HEAVY THUNDERSTORMS COULD ALSO CAUSE
FLOODING OF LOW-LYING AREAS.
STAY TUNED TO NOAA WEATHER RADIO OR COMMERICAL WEATHEtR BROADCASTS
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.Special weather statement, May 2, 7:54 AM CDT, 3 hours 26 minutes before
TXZ019-020-021400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 745 AM CDT WED MAY 2 1990 AT 740 PM THE WICHITA FALLS RADAR SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAINS BLANKETING MUCH OF THIS PORTION OF NORTH TEXAS GENERALLY EAST OF CHILDRESS...SEYMOUR.... ABILENE LINE. THIS AREA OF PRECIPITATION ALSO BLANKETED MUCH OF THE SOUTHWESTERN ONE THIRD OF OKLAHOMA. MODERATE TO HEAVY RAINS WITHIN THIS AREA WERE FALLING OVER MUCH OF ARCHER...CLAY...WICHITA...YOUNG...JACK AND MONTAGUE COUNTIES. HEAVY RAINS FELL ACROSS MUCH OF THESE COUNTIES YESTERDAY. 24 HOUR RAINFALL TOTALS BEING REPORTED INTO THE WEATHER SERVICE OFFICE SO FAR THIS MORNING RANGE FROM 1.37 IN THE WESTERN PART OF WICHITA FALLS TO 3.30 INCHES IN BOWIE. EARLY MORNING COMMUTERS ACROSS THE REGION CAN EXPECT SOME FLOODING OF ROADWAYS. DO NOT DRIVE INTO HIGH WATER OF UNKNOWN DEPTHS. < MOVEMENT OF THIS ENTIRE FIELD OF PRECIPITATION WAS RAPIDLY TO THE NORTHEAST AT 40 MILES AN HOUR. AT THIS MOVEMENT...RAIN WILL BE ENDING IN THE WICHITA FALLS HOUR DURING THE NEXT HOUR AND A HALF. HOWEVER CONDITIONS ARE FAVORABLE FOR REDEVELOPMENT OF SHOWERS AND THUNDERSTORMS SOME POSSIBLY SEVERE LATER TODAY. STAY TUNED FOR ADDITIONAL STATEMENTS THROUGHOUT THE AFTERNOON.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 2:51 PM CDT | Flash Flood Warning | OUN | Canadian, Kingfisher, Logan | 6 hr |
| May 2, 2:51 PM CDT | Flash Flood Warning | OUN | Comanche, Cotton | 6 hr |
| May 2, 2:51 PM CDT | Flash Flood Warning | OUN | Caddo, Grady | 6 hr |
| May 2, 2:51 PM CDT | Flash Flood Warning | OUN | Lincoln, Payne | 6 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Atoka, Coal, Hughes, Johnston, Pontotoc | 7 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Carter, Garvin, Grady, McClain, Murray, Stephens | 7 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Canadian, Kingfisher, Lincoln, Logan, Oklahoma, Payne | 7 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Comanche, Cotton, Jefferson | 7 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Cleveland, Pottawatomie | 7 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Caddo | 7 hr |
| May 2, 4:53 PM CDT | Flash Flood Warning | OUN | Bryan, Love, Marshall | 7 hr |
Nearby
Flash Flood Warnings in Oklahoma, 1990Every flash flood warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.